您要查找的是不是：
- Natural aids are a rider's balance, hands, voice, and legs;artificial aids include bits, reins, saddles, and spurs. 自然的辅助指挥是靠骑手的平衡、双手、声音和双腿来控制，副辅助（artificial aids）则包括衔铁、缰绳、马鞍和马刺。
- artificial aids to natural regeneration 人工促进天然更新
- It means to give the most-needed and timely aid. 它的意思是给予最需要的及时的帮助。
- Food processor is useful aids in prepare food. 食品加工机是制作食品时颇为实用的辅助机械。
- This dress is made of artificial fibers. 这件衣服是人造纤维的。
- Her artificial gaiety disguised an inner sadness. 她以矫揉造作的快乐掩饰著内心的悲痛。
- Rusults of artificial aids to natural regeneration of cut over land in broadleaf forest 阔叶林采伐迹地人工促进更新效果研究
- I can't stand his artificial smiles. 我受不了他的假笑。
- There is a TV show about AIDS on right now. 电视正在播放一个关于爱滋病的节目。
- I was fitted an artificial tooth by the dentist. 牙医给我镶了颗假牙。
- Primary school teachers use a lot of visual aids. 小学教师使用大量的视觉教具。
- I'm collecting money in aid of starving children. 为帮助饥饿的孩子们，我正在搞募捐。
- Artificial heating hastens the growth of plants. 人工供暖能促进植物生长。
- The government is taking measures to draw the fangs of AIDS. 政府正在采取措施消除艾滋病的危害性。
- Her artificial manner made me sick. 她那装腔作势的样子令我恶心。
- The room was decorated with artificial flowers. 房间用人造花装饰。
- This product contains no artificial preservatives. 此产品不含任何人造防腐剂。
- She used slides as a teaching aid. 她用幻灯片作教学工具。
- They offer financial aid with no strings attached. 他们无条件提供财务援助。
- This yoghurt contains no artificial flavouring or colouring. 这种酸乳酪不含人造香料或著色剂。
